Quote:
Originally Posted by on-ramp
forever, huh? how do you know that sooner or later you won't hit a brick wall?
does the universe stretch out in every direction into infinity , ie. there is no end?
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When I was maybe 7 or 8 and starting to think about these kinds of concepts, I imagined the infinite universe to be this really huge place that had a really big concrete wall at the end. That satisfied me for a quite a while, until one night in bed it occurred to me, what's on the other side of that wall? It took me a while to fall asleep that night
It's truly awesome to consider just how insignificant our planet is, but the flipside to that is that this is all we know and can ever possibly know, at least in our lifetimes, so we may as well make the most of it.